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| author | Jeff Law <law@gcc.gnu.org> | 1998-05-05 17:18:02 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-05-05 17:18:02 -0600 |
| commit | f5963e617044e79f7658c82ebc9acdccdc56d57b (patch) | |
| tree | 017db6c8be411c52ab98093e94dcce3c7ca3f029 /gcc/final.c | |
| parent | 9d1bcb4667cf94ae02b3b3015694a55175be9c9f (diff) | |
| download | gcc-f5963e617044e79f7658c82ebc9acdccdc56d57b.zip gcc-f5963e617044e79f7658c82ebc9acdccdc56d57b.tar.gz gcc-f5963e617044e79f7658c82ebc9acdccdc56d57b.tar.bz2 | |
* Check in merge from gcc2. See ChangeLog.12 for details.
From-SVN: r19553
Diffstat (limited to 'gcc/final.c')
| -rw-r--r-- | gcc/final.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/final.c b/gcc/final.c index 37dc89d..2647bbe 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -2902,9 +2902,15 @@ alter_subreg (x) register rtx x; { register rtx y = SUBREG_REG (x); + if (GET_CODE (y) == SUBREG) y = alter_subreg (y); + /* If reload is operating, we may be replacing inside this SUBREG. + Check for that and make a new one if so. */ + if (reload_in_progress && find_replacement (&SUBREG_REG (x)) != 0) + x = copy_rtx (x); + if (GET_CODE (y) == REG) { /* If the word size is larger than the size of this register, |